Rissoellidae are a

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

of minute

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s in the informal group Lower Heterobranchia. Rissoellidae is the only family within the superfamily Rissoelloidea in the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.

Genera

Genera within the family Rissoellidae include: * ''

Cythnia ''Cythnia'' is a genus of sea snails, marine gastropod mollusks in the family Rissoellidae Rissoellidae are a family (biology), family of minute sea snails, marine (ocean), marine gastropod molluscs in the informal group Lower Heterobranchia. ...

'' Carpenter, 1864Bouchet, P. (2015). ''Cythnia'' Carpenter, 1864. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=565658 on 2017-05-24 * ''

Rissoella Rissoella is a genus of minute sea snails, marine (ocean), marine gastropods, in the family Rissoellidae. MolluscaBase eds. (2022). MolluscaBase. Rissoella Gray, 1847. Accessed through: World Register of Marine Species at: https://www.marinespec ...

'' Gray, 1847 - synonyms: '' Heterorissoa'' Iredale, 1912; '' Jeffreysia'' Alder n Forbes & Hanley 1850

References

External links

* Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979
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{{Taxonbar, from=Q7336371 Taxa named by John Edward Gray